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Inventories - Summary of Detailed Information About Inventories (Detail) - CAD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Classes of current inventories [abstract]      
Direct materials $ 71,620 $ 83,943 $ 119,342
Repair and distribution parts 66,209 54,156 52,125
Work-in-progress 52,770 31,298 25,185
Equipment 3,186 3,290 15,599
Total inventories 193,785 172,687 212,251
Work-in-progress related to finance leases $ 44,234 $ 36,169 $ 0